GPU Comparison

A

AMD

RADEON

AMD Radeon R9 M295X

CORE STATE Amethyst

VRAM 4 GB

CLOCK SPEED —

TDP 250 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 3.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

VS

A

AMD

RADEON

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

PERFORMANCE BENCHMARKS

geekbench_metal

33,733

113,421

geekbench_opencl

22,719

87,621

geekbench_vulkan

29,171

96,572

3dmark_3dmark_steel_nomad_dx12

N/A

2,238

passmark_directx_10

N/A

101

passmark_directx_11

N/A

127

passmark_directx_12

N/A

65

passmark_directx_9

N/A

147

passmark_g2d

N/A

538

passmark_g3d

N/A

13,261

passmark_gpu_compute

N/A

5,032

DETAILED SPECIFICATIONS

SPECIFICATION

R9 M295X

RX 6800M

Core Specs

Shading Units

2,048

2,560 +25.0%

Shaders

2,048

2,560 +25.0%

TMUs

128

160 +25.0%

ROPs

32

64 +100.0%

Compute Units

32

40 +25.0%

Clocks

Base Clock

—

2116 MHz

Boost Clock

—

2390 MHz

GPU Clock

723 MHz

—

Game Clock

—

2300 MHz

Memory Clock

1250 MHz 5 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

4 GB

12 GB

VRAM (MB)

4,096

12,288 +200.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

192 bit

Bandwidth

160.0 GB/s

384.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

512 KB

3 MB

L3 Cache

—

96 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

23.14 GPixel/s

153.0 GPixel/s

Texture Rate

92.54 GTexel/s

382.4 GTexel/s

FP32 (TFLOPS)

2.961 TFLOPS

12.24 TFLOPS

FP64 (TFLOPS)

185.1 GFLOPS (1:16)

764.8 GFLOPS (1:16)

FP16 (TFLOPS)

2.961 TFLOPS (1:1)

24.47 TFLOPS (2:1)

AI/RT

RT Cores

—

40

Power

TDP

250 W

145 W

TDP (W)

250

145 -42.0%

Power Connectors

None

None

Architecture

Architecture

GCN 3.0

RDNA 2.0

GPU Name

Amethyst

Navi 22

Generation

Gem System (R9 M200)

Navi Mobile (RX 6000M)

Process Size

28 nm

7 nm

Transistors

5,000 million

17,200 million

Die Size

366 mm²

335 mm²

Foundry

TSMC

TSMC

Density

13.7M / mm²

51.3M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1

2.1

Shader Model

6.5

6.8

Physical

Slot Width

MXM Module

IGP

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

MXM-B (3.0)

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Solar System

Polaris Mobile

Successor

Polaris Mobile

—

View Radeon R9 M295X Details View Radeon RX 6800M Details