GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6800

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2105 MHz

TDP 250 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

VS

A

AMD

RADEON

Radeon VII

CORE STATE Vega 20

VRAM 16 GB

CLOCK SPEED 1750 MHz

TDP 295 W

BUS WIDTH 4096 bit

ARCHITECTURE GCN 5.1

nm

PROCESS 7 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

3,188

2,304

geekbench_metal

175,541

77,265

geekbench_opencl

24,559

91,947

geekbench_vulkan

130,531

85,909

passmark_directx_10

128

N/A

passmark_directx_11

214

N/A

passmark_directx_12

89

N/A

passmark_directx_9

257

N/A

passmark_g2d

990

N/A

passmark_g3d

22,067

N/A

passmark_gpu_compute

10,864

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6800

VII

Core Specs

Shading Units

3,840

3,840 0.0%

Shaders

3,840

3,840 0.0%

TMUs

240

240 0.0%

ROPs

96

64 -33.3%

Compute Units

60

60 0.0%

Clocks

Base Clock

1700 MHz

1400 MHz

Boost Clock

2105 MHz

1750 MHz

Game Clock

1815 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1000 MHz 2 Gbps effective

Memory

Memory Size

16 GB

16 GB

VRAM (MB)

16,384

16,384 0.0%

Memory Type

GDDR6

HBM2

Memory Bus

256 bit

4096 bit

Bandwidth

512.0 GB/s

1.02 TB/s

Cache

L1 Cache

128 KB per Array

16 KB (per CU)

L2 Cache

4 MB

4 MB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

202.1 GPixel/s

112.0 GPixel/s

Texture Rate

505.2 GTexel/s

420.0 GTexel/s

FP32 (TFLOPS)

16.17 TFLOPS

13.44 TFLOPS

FP64 (TFLOPS)

1,010.4 GFLOPS (1:16)

3.360 TFLOPS (1:4)

FP16 (TFLOPS)

32.33 TFLOPS (2:1)

26.88 TFLOPS (2:1)

AI/RT

RT Cores

60

—

Power

TDP

250 W

295 W

TDP (W)

250

295 +18.0%

Suggested PSU

600 W

600 W

Power Connectors

2x 8-pin

2x 8-pin

Architecture

Architecture

RDNA 2.0

GCN 5.1

GPU Name

Navi 21

Vega 20

Generation

Navi II (RX 6000)

Vega II (Radeon VII)

Process Size

7 nm

7 nm

Transistors

26,800 million

13,230 million

Die Size

520 mm²

331 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

40.0M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.3

OpenCL

2.1

2.1

Shader Model

6.8

6.7

Physical

Slot Width

Dual-slot

Dual-slot

Length

267 mm 10.5 inches

280 mm 11 inches

Height

120 mm 4.7 inches

125 mm 4.9 inches

Outputs

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

1x HDMI 2.0b3x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x16

PCIe 3.0 x16

Other

Launch Price

579 USD

699 USD

Production

End-of-life

End-of-life

Predecessor

Navi

Vega

Successor

Navi III

Navi

View Radeon RX 6800 Details View Radeon VII Details