AMD Radeon HD 6870 X2 vs NVIDIA GeForce RTX 4070

VS

AMD Radeon HD 6870 X2 NVIDIA GeForce RTX 4070

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 12GB VRAM GeForce RTX 4070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 's Advantages

Released 11 years and 9 months late

Boost Clock2475MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (504.2GB/s vs 134.4GB/s)

4768 additional rendering cores

Lower TDP (200W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

GeForce RTX 4070 +1345%

29.15 TFLOPS

Radeon HD 6870 X2

VS

GeForce RTX 4070

Graphics Card

Jul 2011

Release Date

Apr 2023

Northern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1920 MHz

-

Boost Clock

2475 MHz

1050 MHz

Memory Clock

1313 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

192bit

134.4GB/s

Bandwidth

504.2GB/s

Render Config

-

SM Count

46

14

Compute Units

-

1120

Shading Units

5888

56

TMUs

184

32

ROPs

64

-

Tensor Cores

184

-

RT Cores

46

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

36 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

158.4 GPixel/s

50.40 GTexel/s

Texture Rate

455.4 GTexel/s

-

FP16 (half)

29.15 TFLOPS

2.016 TFLOPS

FP32 (float)

29.15 TFLOPS

-

FP64 (double)

455.4 GFLOPS

Graphics Processor

Barts

GPU Name

AD104

Barts XT (215-0798000)

GPU Variant

AD104-250-A1

TeraScale 2

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.7 billion

Transistors

35.8 billion

255 mm²

Die Size

295 mm²

Board Design

300W

TDP

200W

700 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

-

Power Connectors

1x 16-pin

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.9

5.0

Shader Model

6.7

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