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 6700

CORE STATE Navi 22

VRAM 10 GB

CLOCK SPEED 2450 MHz

TDP 175 W

BUS WIDTH 160 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

92,672

3dmark_3dmark_steel_nomad_dx12

N/A

2,014

geekbench_metal

N/A

122,223

geekbench_vulkan

N/A

96,619

passmark_directx_10

N/A

115

passmark_directx_11

N/A

166

passmark_directx_12

N/A

71

passmark_directx_9

N/A

250

passmark_g2d

N/A

936

passmark_g3d

N/A

18,931

passmark_gpu_compute

N/A

8,240

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

RX 6700

Core Specs

Shading Units

960

2,304 +140.0%

Shaders

960

2,304 +140.0%

TMUs

48

144 +200.0%

ROPs

32

64 +100.0%

Compute Units

12

36 +200.0%

Clocks

Base Clock

—

1941 MHz

Boost Clock

—

2450 MHz

GPU Clock

800 MHz

—

Game Clock

—

2174 MHz

Memory Clock

1050 MHz 4.2 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

2 GB

10 GB

VRAM (MB)

2,048

10,240 +400.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

160 bit

Bandwidth

134.4 GB/s

320.0 GB/s

Cache

L1 Cache

8 KB (per CU)

128 KB per Array

L2 Cache

512 KB

3 MB

L3 Cache

—

80 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

25.60 GPixel/s

156.8 GPixel/s

Texture Rate

38.40 GTexel/s

352.8 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

11.29 TFLOPS

FP64 (TFLOPS)

—

705.6 GFLOPS (1:16)

FP16 (TFLOPS)

—

22.58 TFLOPS (2:1)

AI/RT

RT Cores

—

36

Power

TDP

254 W

175 W

TDP (W)

254

175 -31.1%

Suggested PSU

600 W

450 W

Power Connectors

2x 8-pin

1x 8-pin

Architecture

Architecture

TeraScale 2

RDNA 2.0

GPU Name

Barts

Navi 22

Generation

Northern Islands (HD 6800)

Navi II (RX 6000)

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

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

110 mm 4.3 inches

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Evergreen

Navi

Successor

Southern Islands

Navi III

View Radeon HD 6850 X2 Details View Radeon RX 6700 Details