NVIDIA GeForce RTX 4080 vs AMD Radeon RX 6950 XT

VS

NVIDIA GeForce RTX 4080

AMD Radeon RX 6950 XT

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 16GB VRAM Radeon RX 6950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 's Advantages

Boost Clock has increased by 8% (2505MHz vs 2310MHz)

Larger VRAM bandwidth (716.8GB/s vs 576.0GB/s)

4608 additional rendering cores

Lower TDP (320W vs 335W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 +106%

48.74 TFLOPS

Radeon RX 6950 XT

23.65 TFLOPS

3DMark Time Spy

GeForce RTX 4080 +31%

28272

Radeon RX 6950 XT

21457

Shadow of the Tomb Raider 2160p

GeForce RTX 4080 +53%

132

Radeon RX 6950 XT

86

Shadow of the Tomb Raider 1440p

GeForce RTX 4080 +57%

246

Radeon RX 6950 XT

156

Shadow of the Tomb Raider 1080p

GeForce RTX 4080 +40%

300

Radeon RX 6950 XT

214

Cyberpunk 2077 2160p

GeForce RTX 4080 +12%

73

Radeon RX 6950 XT

65

Cyberpunk 2077 1440p

GeForce RTX 4080 +59%

121

Radeon RX 6950 XT

76

Cyberpunk 2077 1080p

GeForce RTX 4080 +56%

180

Radeon RX 6950 XT

115

Battlefield 5 2160p

GeForce RTX 4080

123

Radeon RX 6950 XT

122

Battlefield 5 1440p

GeForce RTX 4080

165

Radeon RX 6950 XT +21%

200

Battlefield 5 1080p

GeForce RTX 4080

188

Radeon RX 6950 XT +6%

200

GTA 5 2160p

GeForce RTX 4080

126

Radeon RX 6950 XT +3%

130

GTA 5 1440p

GeForce RTX 4080 +19%

181

Radeon RX 6950 XT

152

GTA 5 1080p

GeForce RTX 4080

182

Radeon RX 6950 XT +3%

189

GeForce RTX 4080

VS

Radeon RX 6950 XT

Graphics Card

Sep 2022

Release Date

May 2022

GeForce 40

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2205 MHz

Base Clock

1860 MHz

2505 MHz

Boost Clock

2310 MHz

1400 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6

256bit

Memory Bus

256bit

716.8GB/s

Bandwidth

576.0GB/s

Render Config

-

Compute Units

80

76

SM Count

-

9728

Shading Units

5120

304

TMUs

320

112

ROPs

128

304

Tensor Cores

-

76

RT Cores

80

128 KB (per SM)

L1 Cache

128 KB per Array

64 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

280.6 GPixel/s

Pixel Rate

295.7 GPixel/s

761.5 GTexel/s

Texture Rate

739.2 GTexel/s

48.74 TFLOPS

FP16 (half)

47.31 TFLOPS

48.74 TFLOPS

FP32 (float)

23.65 TFLOPS

761.5 GFLOPS

FP64 (double)

1478 GFLOPS

Board Design

320W

TDP

335W

700 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a

1x 16-pin

Power Connectors

2x 8-pin

Graphics Processor

AD103

GPU Name

Navi 21

AD103-300-A1

GPU Variant

Navi 21 KXTX (215-121000289)

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

45.9 billion

Transistors

26.8 billion

379 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.9

CUDA

-

6.7

Shader Model

6.5

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