NVIDIA GeForce RTX 4080 SUPER vs AMD Radeon HD 6950

VS

NVIDIA GeForce RTX 4080 SUPER

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 SUPER and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 SUPER 's Advantages

Released 13 years and 1 months late

Boost Clock2550MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (736.3GB/s vs 160.0GB/s)

8832 additional rendering cores

AMD Radeon HD 6950 's Advantages

Lower TDP (200W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 SUPER +2217%

52.22 TFLOPS

Radeon HD 6950

2.253 TFLOPS

GeForce RTX 4080 SUPER

VS

Radeon HD 6950

Graphics Card

Jan 2024

Release Date

Dec 2010

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2295 MHz

Base Clock

-

2550 MHz

Boost Clock

-

1438 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

256bit

736.3GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

22

80

SM Count

-

10240

Shading Units

1408

320

TMUs

88

112

ROPs

32

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

285.6 GPixel/s

Pixel Rate

25.60 GPixel/s

816.0 GTexel/s

Texture Rate

70.40 GTexel/s

52.22 TFLOPS

FP16 (half)

-

52.22 TFLOPS

FP32 (float)

2.253 TFLOPS

816.0 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

320W

TDP

200W

700 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

AD103

GPU Name

Cayman

AD103-400-A1

GPU Variant

Cayman PRO (215-0807019)

Ada Lovelace

Architecture

TeraScale 3

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

45.9 billion

Transistors

2.64 billion

379 mm²

Die Size

389 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

5.0

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