GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6850 X2

CORE STATE Barts

VRAM 2 GB

CLOCK SPEED —

TDP 254 W

BUS WIDTH 256 bit

ARCHITECTURE TeraScale 2

nm

PROCESS 40 nm

LAUNCH DATE 2011

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_opencl

3,977

87,621

3dmark_3dmark_steel_nomad_dx12

N/A

2,238

geekbench_metal

N/A

113,421

geekbench_vulkan

N/A

96,572

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

HD 6850 X2

RX 6800M

Core Specs

Shading Units

960

2,560 +166.7%

Shaders

960

2,560 +166.7%

TMUs

48

160 +233.3%

ROPs

32

64 +100.0%

Compute Units

12

40 +233.3%

Clocks

Base Clock

—

2116 MHz

Boost Clock

—

2390 MHz

GPU Clock

800 MHz

—

Game Clock

—

2300 MHz

Memory Clock

1050 MHz 4.2 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

2 GB

12 GB

VRAM (MB)

2,048

12,288 +500.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

192 bit

Bandwidth

134.4 GB/s

384.0 GB/s

Cache

L1 Cache

8 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

25.60 GPixel/s

153.0 GPixel/s

Texture Rate

38.40 GTexel/s

382.4 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

12.24 TFLOPS

FP64 (TFLOPS)

—

764.8 GFLOPS (1:16)

FP16 (TFLOPS)

—

24.47 TFLOPS (2:1)

AI/RT

RT Cores

—

40

Power

TDP

254 W

145 W

TDP (W)

254

145 -42.9%

Suggested PSU

600 W

—

Power Connectors

2x 8-pin

None

Architecture

Architecture

TeraScale 2

RDNA 2.0

GPU Name

Barts

Navi 22

Generation

Northern Islands (HD 6800)

Navi Mobile (RX 6000M)

Process Size

40 nm

7 nm

Transistors

1,700 million

17,200 million

Die Size

255 mm²

335 mm²

Foundry

TSMC

TSMC

Density

6.7M / mm²

51.3M / mm²

API Support

DirectX

11.2 (11_0)

12 Ultimate (12_2)

OpenGL

4.4

4.6

Vulkan

—

1.4

OpenCL

1.2

2.1

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

IGP

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

Portable Device Dependent

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Evergreen

Polaris Mobile

Successor

Southern Islands

—

View Radeon HD 6850 X2 Details View Radeon RX 6800M Details