ATI Radeon HD 4650 AGP vs GeForce 6800 GT

Place in the ranking	1273	1225
Place by popularity	not in top-100	not in top-100
Power efficiency	0.38	0.77
Architecture	Curie (2003−2013)	TeraScale (2005−2013)
GPU code name	NV45	RV730
Market segment	Desktop	Desktop
Release date	8 June 2004 (20 years ago)	10 September 2008 (16 years ago)

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	320
Core clock speed	350 MHz	600 MHz
Number of transistors	222 million	514 million
Manufacturing process technology	130 nm	55 nm
Power consumption (TDP)	67 Watt	48 Watt
Texture fill rate	5.600	19.20
Floating-point processing power	no data	0.384 TFLOPS
ROPs	16	8
TMUs	16	32

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	AGP 8x
Width	1-slot	1-slot
Supplementary power connectors	1x 6-pin	no data

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	DDR2
Maximum RAM amount	256 MB	512 MB
Memory bus width	256 Bit	128 Bit
Memory clock speed	500 MHz	400 MHz
Memory bandwidth	32 GB/s	12.8 GB/s

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	2x DVI, 1x S-Video	1x DVI, 1x HDMI, 1x VGA
HDMI	-	+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	9.0c (9_3)	10.1 (10_1)
Shader Model	3.0	4.1
OpenGL	2.1	3.3
OpenCL	N/A	1.1
Vulkan	N/A	N/A

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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

6800 GT 0.37

ATI HD 4650 AGP 0.54
+45.9%

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.

6800 GT 142

ATI HD 4650 AGP 207
+45.8%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	0.37	0.54
Recency	8 June 2004	10 September 2008
Maximum RAM amount	256 MB	512 MB
Chip lithography	130 nm	55 nm
Power consumption (TDP)	67 Watt	48 Watt

ATI HD 4650 AGP has a 45.9% higher aggregate performance score, an age advantage of 4 years, a 100% higher maximum VRAM amount, a 136.4% more advanced lithography process, and 39.6% lower power consumption.

The Radeon HD 4650 AGP is our recommended choice as it beats the GeForce 6800 GT in performance tests.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.