Radeon RX 7900 XTX vs GeForce 6600 GT
Aggregate performance score
We've compared GeForce 6600 GT and Radeon RX 7900 XTX, covering specs and all relevant benchmarks.
RX 7900 XTX outperforms 6600 GT by a whopping 21612% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1307 | 12 |
| Place by popularity | not in top-100 | 49 |
| Cost-effectiveness evaluation | no data | 34.97 |
| Power efficiency | no data | 15.52 |
| Architecture | Curie (2003−2013) | RDNA 3.0 (2022−2025) |
| GPU code name | NV43 A2 | Navi 31 |
| Market segment | Desktop | Desktop |
| Release date | 12 August 2004 (20 years ago) | 3 November 2022 (2 years ago) |
| Launch price (MSRP) | $64.95 | $999 |
Cost-effectiveness evaluation
The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | no data | 6144 |
| Core clock speed | 500 MHz | 1929 MHz |
| Boost clock speed | no data | 2498 MHz |
| Number of transistors | 146 million | 57,700 million |
| Manufacturing process technology | 110 nm | 5 nm |
| Power consumption (TDP) | no data | 355 Watt |
| Texture fill rate | 4.000 | 959.2 |
| Floating-point processing power | no data | 61.39 TFLOPS |
| ROPs | 4 | 192 |
| TMUs | 8 | 384 |
| Ray Tracing Cores | no data | 96 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 1.0 x16 | PCIe 4.0 x16 |
| Length | no data | 287 mm |
| Width | 1-slot | 2-slot |
| Supplementary power connectors | None | 2x 8-pin |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR3 | GDDR6 |
| Maximum RAM amount | 128 MB | 24 GB |
| Memory bus width | 128 Bit | 384 Bit |
| Memory clock speed | 500 MHz | 2500 MHz |
| Memory bandwidth | 16 GB/s | 960.0 GB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 1x DVI, 1x VGA, 1x S-Video | 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C |
| HDMI | - | + |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 12 Ultimate (12_2) |
| Shader Model | 3.0 | 6.7 |
| OpenGL | 2.1 | 4.6 |
| OpenCL | N/A | 2.2 |
| Vulkan | N/A | 1.3 |
Synthetic benchmark performance
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| Full HD | 1−2
−23800%
| 239
+23800%
|
| 1440p | 0−1 | 161 |
| 4K | -0−1 | 101 |
Cost per frame, $
| 1080p | 64.95
−1454%
| 4.18
+1454%
|
| 1440p | no data | 6.20 |
| 4K | no data | 9.89 |
- RX 7900 XTX has 1454% lower cost per frame in 1080p
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 355
+0%
|
355
+0%
|
| Cyberpunk 2077 | 250
+0%
|
250
+0%
|
| Hogwarts Legacy | 218
+0%
|
218
+0%
|
Full HD
Medium Preset
| Battlefield 5 | 190−200
+0%
|
190−200
+0%
|
| Counter-Strike 2 | 348
+0%
|
348
+0%
|
| Cyberpunk 2077 | 240
+0%
|
240
+0%
|
| Far Cry 5 | 212
+0%
|
212
+0%
|
| Fortnite | 300−350
+0%
|
300−350
+0%
|
| Forza Horizon 4 | 338
+0%
|
338
+0%
|
| Forza Horizon 5 | 269
+0%
|
269
+0%
|
| Hogwarts Legacy | 186
+0%
|
186
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180
+0%
|
170−180
+0%
|
| Valorant | 450−500
+0%
|
450−500
+0%
|
Full HD
High Preset
| Battlefield 5 | 190−200
+0%
|
190−200
+0%
|
| Counter-Strike 2 | 339
+0%
|
339
+0%
|
| Counter-Strike: Global Offensive | 270−280
+0%
|
270−280
+0%
|
| Cyberpunk 2077 | 217
+0%
|
217
+0%
|
| Dota 2 | 197
+0%
|
197
+0%
|
| Far Cry 5 | 205
+0%
|
205
+0%
|
| Fortnite | 300−350
+0%
|
300−350
+0%
|
| Forza Horizon 4 | 330
+0%
|
330
+0%
|
| Forza Horizon 5 | 254
+0%
|
254
+0%
|
| Grand Theft Auto V | 175
+0%
|
175
+0%
|
| Hogwarts Legacy | 163
+0%
|
163
+0%
|
| Metro Exodus | 239
+0%
|
239
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180
+0%
|
170−180
+0%
|
| The Witcher 3: Wild Hunt | 545
+0%
|
545
+0%
|
| Valorant | 450−500
+0%
|
450−500
+0%
|
Full HD
Ultra Preset
| Battlefield 5 | 190−200
+0%
|
190−200
+0%
|
| Cyberpunk 2077 | 207
+0%
|
207
+0%
|
| Dota 2 | 178
+0%
|
178
+0%
|
| Far Cry 5 | 189
+0%
|
189
+0%
|
| Forza Horizon 4 | 295
+0%
|
295
+0%
|
| Hogwarts Legacy | 156
+0%
|
156
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180
+0%
|
170−180
+0%
|
| The Witcher 3: Wild Hunt | 298
+0%
|
298
+0%
|
| Valorant | 450−500
+0%
|
450−500
+0%
|
Full HD
Epic Preset
| Fortnite | 300−350
+0%
|
300−350
+0%
|
1440p
High Preset
| Counter-Strike 2 | 267
+0%
|
267
+0%
|
| Counter-Strike: Global Offensive | 500−550
+0%
|
500−550
+0%
|
| Grand Theft Auto V | 165
+0%
|
165
+0%
|
| Metro Exodus | 161
+0%
|
161
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180
+0%
|
170−180
+0%
|
| Valorant | 450−500
+0%
|
450−500
+0%
|
1440p
Ultra Preset
| Battlefield 5 | 190−200
+0%
|
190−200
+0%
|
| Cyberpunk 2077 | 146
+0%
|
146
+0%
|
| Far Cry 5 | 187
+0%
|
187
+0%
|
| Forza Horizon 4 | 290
+0%
|
290
+0%
|
| Hogwarts Legacy | 128
+0%
|
128
+0%
|
| The Witcher 3: Wild Hunt | 238
+0%
|
238
+0%
|
1440p
Epic Preset
| Fortnite | 150−160
+0%
|
150−160
+0%
|
4K
High Preset
| Counter-Strike 2 | 67
+0%
|
67
+0%
|
| Grand Theft Auto V | 186
+0%
|
186
+0%
|
| Hogwarts Legacy | 60−65
+0%
|
60−65
+0%
|
| Metro Exodus | 108
+0%
|
108
+0%
|
| The Witcher 3: Wild Hunt | 197
+0%
|
197
+0%
|
| Valorant | 300−350
+0%
|
300−350
+0%
|
4K
Ultra Preset
| Battlefield 5 | 130−140
+0%
|
130−140
+0%
|
| Counter-Strike 2 | 43
+0%
|
43
+0%
|
| Cyberpunk 2077 | 73
+0%
|
73
+0%
|
| Dota 2 | 159
+0%
|
159
+0%
|
| Far Cry 5 | 159
+0%
|
159
+0%
|
| Forza Horizon 4 | 227
+0%
|
227
+0%
|
| Hogwarts Legacy | 69
+0%
|
69
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 95−100
+0%
|
95−100
+0%
|
4K
Epic Preset
| Fortnite | 75−80
+0%
|
75−80
+0%
|
This is how 6600 GT and RX 7900 XTX compete in popular games:
- RX 7900 XTX is 23800% faster in 1080p
All in all, in popular games:
- there's a draw in 66 tests (100%)
Pros & cons summary
| Performance score | 0.34 | 73.82 |
| Recency | 12 August 2004 | 3 November 2022 |
| Maximum RAM amount | 128 MB | 24 GB |
| Chip lithography | 110 nm | 5 nm |
RX 7900 XTX has a 21611.8% higher aggregate performance score, an age advantage of 18 years, a 19100% higher maximum VRAM amount, and a 2100% more advanced lithography process.
The Radeon RX 7900 XTX is our recommended choice as it beats the GeForce 6600 GT in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
