NVIDIA GeForce RTX 4070 vs AMD Radeon HD 6950

VS

NVIDIA GeForce RTX 4070

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 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 4070 's Advantages

Released 12 years and 4 months late

Boost Clock2475MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (504.2GB/s vs 160.0GB/s)

4480 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4070 +1193%

29.15 TFLOPS

Radeon HD 6950

2.253 TFLOPS

GeForce RTX 4070

VS

Radeon HD 6950

Graphics Card

Apr 2023

Release Date

Dec 2010

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1920 MHz

Base Clock

-

2475 MHz

Boost Clock

-

1313 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

192bit

Memory Bus

256bit

504.2GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

22

46

SM Count

-

5888

Shading Units

1408

184

TMUs

88

64

ROPs

32

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

36 MB

L2 Cache

512 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

25.60 GPixel/s

455.4 GTexel/s

Texture Rate

70.40 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

2.253 TFLOPS

455.4 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

200W

TDP

200W

550 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

AD104

GPU Name

Cayman

AD104-250-A1

GPU Variant

Cayman PRO (215-0807019)

Ada Lovelace

Architecture

TeraScale 3

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

35.8 billion

Transistors

2.64 billion

295 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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