AMD Radeon RX 7900 GRE vs AMD Radeon RX 6700 XT

VS

AMD Radeon RX 7900 GRE AMD Radeon RX 6700 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE and 12GB VRAM Radeon RX 6700 XT 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 2 years and 4 months late

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (576.0GB/s vs 384.0GB/s)

2560 additional rendering cores

AMD Radeon RX 6700 XT 's Advantages

Boost Clock has increased by 15% (2581MHz vs 2245MHz)

Lower TDP (230W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +248%

45.98 TFLOPS

Radeon RX 6700 XT

13.21 TFLOPS

3DMark Time Spy

Radeon RX 7900 GRE +74%

22258

Radeon RX 6700 XT

12772

Radeon RX 7900 GRE

VS

Radeon RX 6700 XT

Graphics Card

Jul 2023

Release Date

Mar 2021

Navi III

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1287 MHz

Base Clock

2321 MHz

2245 MHz

Boost Clock

2581 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

576.0GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

80

Compute Units

40

5120

Shading Units

2560

320

TMUs

160

ROPs

64

-

Tensor Cores

-

80

RT Cores

40

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

3 MB

Theoretical Performance

359.2 GPixel/s

Pixel Rate

165.2 GPixel/s

718.4 GTexel/s

Texture Rate

413.0 GTexel/s

91.96 TFLOPS

FP16 (half)

26.43 TFLOPS

45.98 TFLOPS

FP32 (float)

13.21 TFLOPS

1437 GFLOPS

FP64 (double)

825.9 GFLOPS

Graphics Processor

Navi 31

GPU Name

Navi 22

Navi 31 XL

GPU Variant

Navi 22 XT (215-127000006)

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

57.7 billion

Transistors

17.2 billion

529 mm²

Die Size

335 mm²

Board Design

260W

TDP

230W

600 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.7

Shader Model

6.5

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