GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6800M

CORE STATE Navi 22

VRAM 12 GB

CLOCK SPEED 2390 MHz

TDP 145 W

BUS WIDTH 192 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

NVIDIA

GEFORCE

RTX A4000H

CORE STATE GA104

VRAM 16 GB

CLOCK SPEED 1560 MHz

TDP 140 W

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

2,238

N/A

geekbench_metal

113,421

N/A

geekbench_opencl

87,621

N/A

geekbench_vulkan

96,572

N/A

passmark_directx_10

101

N/A

passmark_directx_11

127

N/A

passmark_directx_12

65

N/A

passmark_directx_9

147

N/A

passmark_g2d

538

N/A

passmark_g3d

13,261

N/A

passmark_gpu_compute

5,032

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6800M

RTX A4000H

Core Specs

Shading Units

2,560

6,144 +140.0%

Shaders

2,560

6,144 +140.0%

TMUs

160

192 +20.0%

ROPs

64

96 +50.0%

Compute Units

40

—

SM Count

—

48

Clocks

Base Clock

2116 MHz

735 MHz

Boost Clock

2390 MHz

1560 MHz

Game Clock

2300 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

12 GB

16 GB

VRAM (MB)

12,288

16,384 +33.3%

Memory Type

GDDR6

GDDR6

Memory Bus

192 bit

256 bit

Bandwidth

384.0 GB/s

448.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

3 MB

4 MB

L3 Cache

96 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

153.0 GPixel/s

149.8 GPixel/s

Texture Rate

382.4 GTexel/s

299.5 GTexel/s

FP32 (TFLOPS)

12.24 TFLOPS

19.17 TFLOPS

FP64 (TFLOPS)

764.8 GFLOPS (1:16)

299.5 GFLOPS (1:64)

FP16 (TFLOPS)

24.47 TFLOPS (2:1)

19.17 TFLOPS (1:1)

AI/RT

RT Cores

40

48 +20.0%

Tensor Cores

—

192

Power

TDP

145 W

140 W

TDP (W)

145

140 -3.4%

Suggested PSU

—

300 W

Power Connectors

None

1x 6-pin

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 22

GA104

Generation

Navi Mobile (RX 6000M)

Workstation Ampere (Ax000)

Process Size

7 nm

8 nm

Transistors

17,200 million

17,400 million

Die Size

335 mm²

392 mm²

Foundry

TSMC

Samsung

Density

51.3M / mm²

44.4M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

3.0

CUDA

—

8.6

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Single-slot

Length

—

241 mm 9.5 inches

Height

—

112 mm 4.4 inches

Outputs

Portable Device Dependent

4x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x16

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Polaris Mobile

Quadro Turing

Successor

—

Workstation Ada

View Radeon RX 6800M Details View RTX A4000H Details