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

i

Intel

GPU

Arc A770M

CORE STATE DG2-512

VRAM 16 GB

CLOCK SPEED 2050 MHz

TDP 120 W

BUS WIDTH 256 bit

ARCHITECTURE Xe-HPG

nm

PROCESS 6 nm

LAUNCH DATE —

PERFORMANCE BENCHMARKS

geekbench_metal

34,050

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

2,278

geekbench_opencl

N/A

89,494

geekbench_vulkan

N/A

74,422

passmark_directx_10

N/A

56

passmark_directx_11

N/A

69

passmark_directx_12

N/A

70

passmark_directx_9

N/A

178

passmark_g2d

N/A

711

passmark_g3d

N/A

11,774

passmark_gpu_compute

N/A

4,778

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950

A770M

Core Specs

Shading Units

1,792

4,096 +128.6%

Shaders

1,792

4,096 +128.6%

TMUs

112

256 +128.6%

ROPs

32

128 +300.0%

Compute Units

28

—

Execution Units

—

512

Clocks

Base Clock

—

1650 MHz

Boost Clock

—

2050 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

3 GB

16 GB

VRAM (MB)

3,072

16,384 +433.3%

Memory Type

GDDR5

GDDR6

Memory Bus

384 bit

256 bit

Bandwidth

240.0 GB/s

512.0 GB/s

Cache

L1 Cache

16 KB (per CU)

—

L2 Cache

768 KB

16 MB

Performance

Pixel Rate

25.60 GPixel/s

262.4 GPixel/s

Texture Rate

89.60 GTexel/s

524.8 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

16.79 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

—

FP16 (TFLOPS)

—

33.59 TFLOPS (2:1)

AI/RT

RT Cores

—

32

XMX Cores

—

512

Power

TDP

200 W

120 W

TDP (W)

200

120 -40.0%

Suggested PSU

550 W

—

Power Connectors

2x 6-pin

—

Architecture

Architecture

GCN 1.0

Xe-HPG

GPU Name

Tahiti

DG2-512

Generation

Southern Islands (HD 7900)

Alchemist (Arc 7 Mobile)

Process Size

28 nm

6 nm

Transistors

4,313 million

21,700 million

Die Size

352 mm²

406 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

53.4M / 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)

3.0

Shader Model

6.5 (5.1)

6.6

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

—

Successor

Sea Islands

—

View Radeon HD 7950 Details View Arc A770M Details