AMD Radeon HD 7970 vs AMD Radeon RX 6750 GRE

VS

AMD Radeon HD 7970

AMD Radeon RX 6750 GRE

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 12GB VRAM Radeon RX 6750 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6750 GRE 's Advantages

Released 11 years and 10 months late

Boost Clock2581MHz

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (432.0GB/s vs 264.0GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

Radeon RX 6750 GRE +248%

13.21 TFLOPS

Radeon HD 7970

VS

Radeon RX 6750 GRE

Graphics Card

Dec 2011

Release Date

Oct 2023

Southern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2321 MHz

-

Boost Clock

2581 MHz

1375 MHz

Memory Clock

2250 MHz

Memory

3GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

192bit

264.0GB/s

Bandwidth

432.0GB/s

Render Config

32

Compute Units

40

-

2048

Shading Units

2560

128

TMUs

160

32

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

165.2 GPixel/s

118.4 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

3.789 TFLOPS

FP32 (float)

13.21 TFLOPS

947.2 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

250W

TDP

250W

600 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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

Navi 22

Tahiti XT (215-0821060)

GPU Variant

Navi 22 KXT

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

17.2 billion

352 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

6.7

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