AMD Radeon RX 7900 XTX vs AMD Radeon RX 6700 XT

VS

AMD Radeon RX 7900 XTX

AMD Radeon RX 6700 XT

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX 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 XTX 's Advantages

Released 1 years and 8 months late

More VRAM (24GB vs 12GB)

Larger VRAM bandwidth (960.0GB/s vs 384.0GB/s)

3584 additional rendering cores

AMD Radeon RX 6700 XT 's Advantages

Boost Clock has increased by 3% (2581MHz vs 2498MHz)

Lower TDP (230W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +364%

61.39 TFLOPS

Radeon RX 6700 XT

13.21 TFLOPS

3DMark Time Spy

Radeon RX 7900 XTX +139%

30621

Radeon RX 6700 XT

12779

Blender

Radeon RX 7900 XTX +167%

4680

Radeon RX 6700 XT

1748

Shadow of the Tomb Raider 2160p

Radeon RX 7900 XTX +144%

127

Radeon RX 6700 XT

52

Shadow of the Tomb Raider 1440p

Radeon RX 7900 XTX +137%

228

Radeon RX 6700 XT

96

Shadow of the Tomb Raider 1080p

Radeon RX 7900 XTX +118%

310

Radeon RX 6700 XT

142

Cyberpunk 2077 2160p

Radeon RX 7900 XTX +46%

60

Radeon RX 6700 XT

41

Cyberpunk 2077 1440p

Radeon RX 7900 XTX +120%

108

Radeon RX 6700 XT

49

Cyberpunk 2077 1080p

Radeon RX 7900 XTX +137%

176

Radeon RX 6700 XT

74

GTA 5 2160p

Radeon RX 7900 XTX +110%

175

Radeon RX 6700 XT

83

GTA 5 1440p

Radeon RX 7900 XTX +68%

175

Radeon RX 6700 XT

104

GTA 5 1080p

Radeon RX 7900 XTX +14%

190

Radeon RX 6700 XT

166

Horizon Forbidden West 1080p

Radeon RX 7900 XTX +77%

144

Radeon RX 6700 XT

81

Horizon Forbidden West 1440p

Radeon RX 7900 XTX +98%

121

Radeon RX 6700 XT

61

Horizon Forbidden West 2160p

Radeon RX 7900 XTX +128%

80

Radeon RX 6700 XT

35

Radeon RX 7900 XTX

VS

Radeon RX 6700 XT

Graphics Card

Nov 2022

Release Date

Mar 2021

Navi III

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1929 MHz

Base Clock

2321 MHz

2498 MHz

Boost Clock

2581 MHz

2500 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

192bit

960.0GB/s

Bandwidth

384.0GB/s

Render Config

96

Compute Units

40

-

6144

Shading Units

2560

384

TMUs

160

192

ROPs

64

-

96

RT Cores

40

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

3 MB

96 MB

L3 Cache

96 MB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

165.2 GPixel/s

959.2 GTexel/s

Texture Rate

413.0 GTexel/s

122.8 TFLOPS

FP16 (half)

26.43 TFLOPS

61.39 TFLOPS

FP32 (float)

13.21 TFLOPS

1.918 TFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

355W

TDP

230W

750 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 Processor

Navi 31

GPU Name

Navi 22

Navi 31 XTX (215-145000146)

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

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

-

6.7

Shader Model

6.5

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