GPU Comparison

A

AMD

RADEON

AMD Radeon HD 7950

CORE STATE Tahiti

VRAM 3 GB

CLOCK SPEED —

TDP 200 W

BUS WIDTH 384 bit

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2012

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

34,050

113,421

3dmark_3dmark_steel_nomad_dx12

N/A

2,238

geekbench_opencl

N/A

87,621

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 7950

RX 6800M

Core Specs

Shading Units

1,792

2,560 +42.9%

Shaders

1,792

2,560 +42.9%

TMUs

112

160 +42.9%

ROPs

32

64 +100.0%

Compute Units

28

40 +42.9%

Clocks

Base Clock

—

2116 MHz

Boost Clock

—

2390 MHz

GPU Clock

800 MHz

—

Game Clock

—

2300 MHz

Memory Clock

1250 MHz 5 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

3 GB

12 GB

VRAM (MB)

3,072

12,288 +300.0%

Memory Type

GDDR5

GDDR6

Memory Bus

384 bit

192 bit

Bandwidth

240.0 GB/s

384.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

768 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

89.60 GTexel/s

382.4 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

12.24 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

764.8 GFLOPS (1:16)

FP16 (TFLOPS)

—

24.47 TFLOPS (2:1)

AI/RT

RT Cores

—

40

Power

TDP

200 W

145 W

TDP (W)

200

145 -27.5%

Suggested PSU

550 W

—

Power Connectors

2x 6-pin

None

Architecture

Architecture

GCN 1.0

RDNA 2.0

GPU Name

Tahiti

Navi 22

Generation

Southern Islands (HD 7900)

Navi Mobile (RX 6000M)

Process Size

28 nm

7 nm

Transistors

4,313 million

17,200 million

Die Size

352 mm²

335 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

51.3M / mm²

API Support

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

2.1

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

IGP

Length

278 mm 10.9 inches

—

Height

111 mm 4.4 inches

—

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

Portable Device Dependent

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

449 USD

—

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Polaris Mobile

Successor

Sea Islands

—

View Radeon HD 7950 Details View Radeon RX 6800M Details