GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6800 XT

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2250 MHz

TDP 300 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

VS

NVIDIA

GEFORCE

CMP 70HX

CORE STATE GA104

VRAM 8 GB

CLOCK SPEED 1395 MHz

TDP —

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE —

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

3,689

N/A

geekbench_metal

199,366

N/A

geekbench_opencl

154,506

41,446

geekbench_vulkan

152,200

35,003

passmark_directx_10

155

N/A

passmark_directx_11

264

N/A

passmark_directx_12

100

N/A

passmark_directx_9

265

N/A

passmark_g2d

1,030

N/A

passmark_g3d

24,980

N/A

passmark_gpu_compute

13,245

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6800 XT

CMP 70HX

Core Specs

Shading Units

4,608

3,840 -16.7%

Shaders

4,608

3,840 -16.7%

TMUs

288

120 -58.3%

ROPs

128

64 -50.0%

Compute Units

72

—

SM Count

—

30

Clocks

Base Clock

1825 MHz

1365 MHz

Boost Clock

2250 MHz

1395 MHz

Game Clock

2015 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1188 MHz 19 Gbps effective

Memory

Memory Size

16 GB

8 GB

VRAM (MB)

16,384

8,192 -50.0%

Memory Type

GDDR6

GDDR6X

Memory Bus

256 bit

256 bit

Bandwidth

512.0 GB/s

608.3 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

4 MB

4 MB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

288.0 GPixel/s

89.28 GPixel/s

Texture Rate

648.0 GTexel/s

167.4 GTexel/s

FP32 (TFLOPS)

20.74 TFLOPS

10.71 TFLOPS

FP64 (TFLOPS)

1,296.0 GFLOPS (1:16)

167.4 GFLOPS (1:64)

FP16 (TFLOPS)

41.47 TFLOPS (2:1)

10.71 TFLOPS (1:1)

AI/RT

RT Cores

72

30 -58.3%

Tensor Cores

—

120

Power

TDP

300 W

—

TDP (W)

300

—

Suggested PSU

700 W

200 W

Power Connectors

2x 8-pin

1x 12-pin

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 21

GA104

Generation

Navi II (RX 6000)

Mining GPUs

Process Size

7 nm

8 nm

Transistors

26,800 million

17,400 million

Die Size

520 mm²

392 mm²

Foundry

TSMC

Samsung

Density

51.5M / 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

Dual-slot

Dual-slot

Length

267 mm 10.5 inches

267 mm 10.5 inches

Height

120 mm 4.7 inches

112 mm 4.4 inches

Outputs

1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 1.0 x4

Other

Launch Price

649 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

—

Successor

Navi III

—

View Radeon RX 6800 XT Details View CMP 70HX Details