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 6600S

CORE STATE Navi 23

VRAM 4 GB

CLOCK SPEED 2000 MHz

TDP 80 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_opencl

6,210

66,403

passmark_directx_10

N/A

81

passmark_directx_11

N/A

105

passmark_directx_12

N/A

56

passmark_directx_9

N/A

176

passmark_g2d

N/A

647

passmark_g3d

N/A

12,649

passmark_gpu_compute

N/A

4,879

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6950

RX 6600S

Core Specs

Shading Units

1,408

1,792 +27.3%

Shaders

1,408

1,792 +27.3%

TMUs

88

112 +27.3%

ROPs

32

64 +100.0%

Compute Units

22

28 +27.3%

Clocks

Base Clock

—

1700 MHz

Boost Clock

—

2000 MHz

GPU Clock

800 MHz

—

Game Clock

—

1881 MHz

Memory Clock

1250 MHz 5 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

2 GB

4 GB

VRAM (MB)

2,048

4,096 +100.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

128 bit

Bandwidth

160.0 GB/s

224.0 GB/s

Cache

L1 Cache

8 KB (per CU)

128 KB per Array

L2 Cache

512 KB

2 MB

L3 Cache

—

32 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

25.60 GPixel/s

128.0 GPixel/s

Texture Rate

70.40 GTexel/s

224.0 GTexel/s

FP32 (TFLOPS)

2.253 TFLOPS

7.168 TFLOPS

FP64 (TFLOPS)

563.2 GFLOPS (1:4)

448.0 GFLOPS (1:16)

FP16 (TFLOPS)

—

14.34 TFLOPS (2:1)

AI/RT

RT Cores

—

28

Power

TDP

200 W

80 W

TDP (W)

200

80 -60.0%

Suggested PSU

550 W

—

Power Connectors

2x 6-pin

None

Architecture

Architecture

TeraScale 3

RDNA 2.0

GPU Name

Cayman

Navi 23

Generation

Northern Islands (HD 6900)

Navi Mobile (RX 6000M)

Process Size

40 nm

7 nm

Transistors

2,640 million

11,060 million

Die Size

389 mm²

237 mm²

Foundry

TSMC

TSMC

Density

6.8M / mm²

46.7M / 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

Length

286 mm 11.3 inches

—

Height

126 mm 5 inches

—

Outputs

2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

Portable Device Dependent

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x8

Other

Launch Price

299 USD

—

Production

End-of-life

End-of-life

Predecessor

Evergreen

Polaris Mobile

Successor

Southern Islands

—

View Radeon HD 6950 Details View Radeon RX 6600S Details