AMD Radeon HD 7870 GHz Edition vs AMD Radeon RX 6750 XT

VS

AMD Radeon HD 7870 GHz Edition

AMD Radeon RX 6750 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 12GB VRAM Radeon RX 6750 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Lower TDP (175W vs 250W)

AMD Radeon RX 6750 XT 's Advantages

Released 10 years late

Boost Clock2600MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 153.6GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition

2.56 TFLOPS

Radeon RX 6750 XT +419%

13.31 TFLOPS

Radeon HD 7870 GHz Edition

VS

Radeon RX 6750 XT

Graphics Card

Mar 2012

Release Date

Mar 2022

Southern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2150 MHz

-

Boost Clock

2600 MHz

1200 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

153.6GB/s

Bandwidth

432.0GB/s

Render Config

20

Compute Units

40

-

1280

Shading Units

2560

80

TMUs

160

32

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

166.4 GPixel/s

80.00 GTexel/s

Texture Rate

416.0 GTexel/s

-

FP16 (half)

26.62 TFLOPS

2.560 TFLOPS

FP32 (float)

13.31 TFLOPS

160.0 GFLOPS

FP64 (double)

832.0 GFLOPS

Board Design

175W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Pitcairn

GPU Name

Navi 22

Pitcairn XT (215-0828047)

GPU Variant

Navi 22 KXT (215-127000144)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

17.2 billion

212 mm²

Die Size

335 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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