AMD Radeon RX 6750 GRE vs AMD Radeon HD 7970

VS

AMD Radeon RX 6750 GRE

AMD Radeon HD 7970

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 GRE and 3GB VRAM Radeon HD 7970 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 RX 6750 GRE +248%

13.21 TFLOPS

Radeon HD 7970

3.789 TFLOPS

Radeon RX 6750 GRE

VS

Radeon HD 7970

Graphics Card

Oct 2023

Release Date

Dec 2011

Navi II

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2250 MHz

Memory Clock

1375 MHz

Memory

12GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

384bit

432.0GB/s

Bandwidth

264.0GB/s

Render Config

40

Compute Units

32

-

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

768 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

29.60 GPixel/s

413.0 GTexel/s

Texture Rate

118.4 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

3.789 TFLOPS

825.9 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

250W

TDP

250W

600 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 22

GPU Name

Tahiti

Navi 22 KXT

GPU Variant

Tahiti XT (215-0821060)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

4.313 billion

335 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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