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

NVIDIA

GEFORCE

GeForce GTX 970M

CORE STATE GM204

VRAM 6 GB

CLOCK SPEED 1038 MHz

TDP —

BUS WIDTH 192 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

PERFORMANCE BENCHMARKS

geekbench_metal

34,050

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

472

geekbench_opencl

N/A

18,991

geekbench_vulkan

N/A

18,516

passmark_directx_10

N/A

28

passmark_directx_11

N/A

42

passmark_directx_12

N/A

24

passmark_directx_9

N/A

99

passmark_g2d

N/A

381

passmark_g3d

N/A

5,704

passmark_gpu_compute

N/A

2,289

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950

GTX 970M

Core Specs

Shading Units

1,792

1,280 -28.6%

Shaders

1,792

1,280 -28.6%

TMUs

112

80 -28.6%

ROPs

32

48 +50.0%

Compute Units

28

—

Clocks

Base Clock

—

924 MHz

Boost Clock

—

1038 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

1253 MHz 5 Gbps effective

Memory

Memory Size

3 GB

6 GB

VRAM (MB)

3,072

6,144 +100.0%

Memory Type

GDDR5

GDDR5

Memory Bus

384 bit

192 bit

Bandwidth

240.0 GB/s

120.3 GB/s

Cache

L1 Cache

16 KB (per CU)

48 KB (per SMM)

L2 Cache

768 KB

1536 KB

Performance

Pixel Rate

25.60 GPixel/s

49.82 GPixel/s

Texture Rate

89.60 GTexel/s

83.04 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

2.657 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

83.04 GFLOPS (1:32)

Power

TDP

200 W

—

TDP (W)

200

—

Suggested PSU

550 W

—

Power Connectors

2x 6-pin

None

Architecture

Architecture

GCN 1.0

Maxwell 2.0

GPU Name

Tahiti

GM204

Generation

Southern Islands (HD 7900)

GeForce 900M

Process Size

28 nm

28 nm

Transistors

4,313 million

5,200 million

Die Size

352 mm²

398 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

13.1M / mm²

API Support

DirectX

12 (11_1)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

3.0

CUDA

—

5.2

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

MXM Module

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

MXM-B (3.0)

Other

Launch Price

449 USD

—

Production

End-of-life

End-of-life

Predecessor

Northern Islands

GeForce 800M

Successor

Sea Islands

GeForce 10 Mobile

View Radeon HD 7950 Details View GeForce GTX 970M Details