AMD Radeon RX 7900 GRE vs AMD Radeon RX 7700

VS

AMD Radeon RX 7900 GRE AMD Radeon RX 7700

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE and 12GB VRAM Radeon RX 7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 GRE 's Advantages

Released 6 months late

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (576.0GB/s vs 432.0GB/s)

2048 additional rendering cores

AMD Radeon RX 7700 's Advantages

Boost Clock has increased by 16% (2600MHz vs 2245MHz)

Lower TDP (200W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +43%

45.98 TFLOPS

Radeon RX 7700

31.95 TFLOPS

Radeon RX 7900 GRE

VS

Radeon RX 7700

Graphics Card

Jul 2023

Release Date

Jan 2023

Navi III

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1287 MHz

Base Clock

1900 MHz

2245 MHz

Boost Clock

2600 MHz

2250 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

576.0GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

-

80

Compute Units

48

5120

Shading Units

3072

320

TMUs

192

160

ROPs

96

-

Tensor Cores

-

80

RT Cores

48

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

2 MB

Theoretical Performance

359.2 GPixel/s

Pixel Rate

249.6 GPixel/s

718.4 GTexel/s

Texture Rate

499.2 GTexel/s

91.96 TFLOPS

FP16 (half)

63.90 TFLOPS

45.98 TFLOPS

FP32 (float)

31.95 TFLOPS

1437 GFLOPS

FP64 (double)

998.4 GFLOPS

Graphics Processor

Navi 31

GPU Name

Navi 32

Navi 31 XL

GPU Variant

Navi 32

RDNA 3.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

57.7 billion

Transistors

Unknown

529 mm²

Die Size

346 mm²

Board Design

260W

TDP

200W

600 W

Suggested PSU

550 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

2x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.2

1.3

Vulkan

1.3

-

CUDA

-

6.7

Shader Model

6.7

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