RTX A4000 Mobile vs GeForce 6800 Ultra

Place in the ranking	1280	106
Place by popularity	not in top-100	not in top-100
Power efficiency	0.30	23.84
Architecture	Curie (2003−2013)	Ampere (2020−2024)
GPU code name	NV45	GA104
Market segment	Desktop	Mobile workstation
Release date	26 July 2004 (20 years ago)	12 April 2021 (3 years ago)
Launch price (MSRP)	$499	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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	5120
Core clock speed	425 MHz	1140 MHz
Boost clock speed	no data	1680 MHz
Number of transistors	222 million	17,400 million
Manufacturing process technology	130 nm	8 nm
Power consumption (TDP)	81 Watt	115 Watt
Texture fill rate	6.800	268.8
Floating-point processing power	no data	17.2 TFLOPS
ROPs	16	80
TMUs	16	160
Tensor Cores	no data	160
Ray Tracing Cores	no data	40

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).

Laptop size	no data	large
Interface	PCIe 1.0 x16	PCIe 4.0 x16
Length	197 mm	no data
Width	2-slot	no data
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	GDDR6
Maximum RAM amount	256 MB	8 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	550 MHz	1500 MHz
Memory bandwidth	35.2 GB/s	384.0 GB/s
Shared memory	-	-

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

Portable Device Dependent

API 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	3.0
Vulkan	N/A	1.3
CUDA	-	8.6

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 Ultra 0.36

RTX A4000 Mobile 39.96
+11000%

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 Ultra 138

RTX A4000 Mobile 15394
+11055%

Gaming performance

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

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

2−3

+0%

2−3

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
Watch Dogs: Legion	27−30 +0%	27−30 +0%

Full HD
High Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
The Witcher 3: Wild Hunt	9−10 +0%	9−10 +0%
Watch Dogs: Legion	27−30 +0%	27−30 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
The Witcher 3: Wild Hunt	9−10 +0%	9−10 +0%
Watch Dogs: Legion	27−30 +0%	27−30 +0%

1440p
Ultra Preset

Cyberpunk 2077	0−1	0−1
Hitman 3	6−7 +0%	6−7 +0%
Horizon Zero Dawn	2−3 +0%	2−3 +0%

1440p
Epic Preset

Red Dead Redemption 2

2−3

+0%

2−3

+0%

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 +0%	1−2 +0%
Assassin's Creed Valhalla	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

2−3

+0%

2−3

+0%

All in all, in popular games:

there's a draw in 29 tests (100%)

Pros & cons summary

Performance score	0.36	39.96
Recency	26 July 2004	12 April 2021
Maximum RAM amount	256 MB	8 GB
Chip lithography	130 nm	8 nm
Power consumption (TDP)	81 Watt	115 Watt

6800 Ultra has 42% lower power consumption.

RTX A4000 Mobile, on the other hand, has a 11000% higher aggregate performance score, an age advantage of 16 years, a 3100% higher maximum VRAM amount, and a 1525% more advanced lithography process.

The RTX A4000 Mobile is our recommended choice as it beats the GeForce 6800 Ultra in performance tests.

Be aware that GeForce 6800 Ultra is a desktop card while RTX A4000 Mobile is a mobile workstation one.

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