GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6950

CORE STATE Cayman

VRAM 2 GB

CLOCK SPEED —

TDP 200 W

BUS WIDTH 256 bit

ARCHITECTURE TeraScale 3

nm

PROCESS 40 nm

LAUNCH DATE 2010

VS

A

AMD

RADEON

Radeon RX 470

CORE STATE Ellesmere

VRAM 4 GB

CLOCK SPEED 1206 MHz

TDP 120 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2016

PERFORMANCE BENCHMARKS

geekbench_opencl

6,210

33,568

3dmark_3dmark_steel_nomad_dx12

N/A

842

geekbench_metal

N/A

41,690

geekbench_vulkan

N/A

39,884

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6950

RX 470

Core Specs

Shading Units

1,408

2,048 +45.5%

Shaders

1,408

2,048 +45.5%

TMUs

88

128 +45.5%

ROPs

32

32 0.0%

Compute Units

22

32 +45.5%

Clocks

Base Clock

—

926 MHz

Boost Clock

—

1206 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

1650 MHz 6.6 Gbps effective

Memory

Memory Size

2 GB

4 GB

VRAM (MB)

2,048

4,096 +100.0%

Memory Type

GDDR5

GDDR5

Memory Bus

256 bit

256 bit

Bandwidth

160.0 GB/s

211.2 GB/s

Cache

L1 Cache

8 KB (per CU)

16 KB (per CU)

L2 Cache

512 KB

2 MB

Performance

Pixel Rate

25.60 GPixel/s

38.59 GPixel/s

Texture Rate

70.40 GTexel/s

154.4 GTexel/s

FP32 (TFLOPS)

2.253 TFLOPS

4.940 TFLOPS

FP64 (TFLOPS)

563.2 GFLOPS (1:4)

308.7 GFLOPS (1:16)

FP16 (TFLOPS)

—

4.940 TFLOPS (1:1)

Power

TDP

200 W

120 W

TDP (W)

200

120 -40.0%

Suggested PSU

550 W

300 W

Power Connectors

2x 6-pin

1x 6-pin

Architecture

Architecture

TeraScale 3

GCN 4.0

GPU Name

Cayman

Ellesmere

Generation

Northern Islands (HD 6900)

Arctic Islands (RX 400)

Process Size

40 nm

14 nm

Transistors

2,640 million

5,700 million

Die Size

389 mm²

232 mm²

Foundry

TSMC

GlobalFoundries

Density

6.8M / mm²

24.6M / mm²

API Support

DirectX

11.2 (11_0)

12 (12_0)

OpenGL

4.4

4.6

Vulkan

—

1.3

OpenCL

1.2

2.1

Shader Model

5.0

6.7

Physical

Slot Width

Dual-slot

Dual-slot

Length

286 mm 11.3 inches

240 mm 9.4 inches

Height

126 mm 5 inches

95 mm 3.7 inches

Outputs

2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

1x HDMI 2.0b3x DisplayPort 1.4a

Bus Interface

PCIe 2.0 x16

PCIe 3.0 x16

Other

Launch Price

299 USD

179 USD

Production

End-of-life

End-of-life

Predecessor

Evergreen

Pirate Islands

Successor

Southern Islands

Polaris

View Radeon HD 6950 Details View Radeon RX 470 Details