GPU Comparison

NVIDIA

GEFORCE

NVIDIA GeForce GTX 970

CORE STATE GM204

VRAM 4 GB

CLOCK SPEED 1178 MHz

TDP 148 W

BUS WIDTH 256 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

VS

NVIDIA

GEFORCE

Tesla K20m

CORE STATE GK110

VRAM 5 GB

CLOCK SPEED —

TDP 225 W

BUS WIDTH 320 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2013

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

369

N/A

geekbench_metal

13,595

N/A

geekbench_opencl

28,528

16,085

geekbench_vulkan

31,001

21,936

passmark_directx_10

46

N/A

passmark_directx_11

71

N/A

passmark_directx_12

41

N/A

passmark_directx_9

143

N/A

passmark_g2d

764

N/A

passmark_g3d

9,638

N/A

passmark_gpu_compute

4,073

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 970

Tesla K20m

Core Specs

Shading Units

1,664

2,496 +50.0%

Shaders

1,664

2,496 +50.0%

TMUs

104

208 +100.0%

ROPs

56

40 -28.6%

Clocks

Base Clock

1050 MHz

—

Boost Clock

1178 MHz

—

GPU Clock

—

706 MHz

Memory Clock

1753 MHz 7 Gbps effective

1300 MHz 5.2 Gbps effective

Memory

Memory Size

4 GB

5 GB

VRAM (MB)

4,096

5,120 +25.0%

Memory Type

GDDR5

GDDR5

Memory Bus

256 bit

320 bit

Bandwidth

224.4 GB/s

208.0 GB/s

Cache

L1 Cache

48 KB (per SMM)

16 KB (per SMX)

L2 Cache

2 MB

1280 KB

Performance

Pixel Rate

65.97 GPixel/s

36.71 GPixel/s

Texture Rate

122.5 GTexel/s

146.8 GTexel/s

FP32 (TFLOPS)

3.920 TFLOPS

3.524 TFLOPS

FP64 (TFLOPS)

122.5 GFLOPS (1:32)

1,174.8 GFLOPS (1:3)

Power

TDP

148 W

225 W

TDP (W)

148

225 +52.0%

Suggested PSU

300 W

550 W

Power Connectors

2x 6-pin

1x 6-pin + 1x 8-pin

Architecture

Architecture

Maxwell 2.0

Kepler

GPU Name

GM204

GK110

Generation

GeForce 900

Tesla Kepler (Kxx)

Process Size

28 nm

28 nm

Transistors

5,200 million

7,080 million

Die Size

398 mm²

561 mm²

Foundry

TSMC

TSMC

Density

13.1M / mm²

12.6M / mm²

API Support

DirectX

12 (12_1)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

3.0

3.0

CUDA

5.2

3.5

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Dual-slot

Dual-slot

Length

267 mm 10.5 inches

267 mm 10.5 inches

Height

111 mm 4.4 inches

—

Outputs

1x DVI1x HDMI 2.03x DisplayPort 1.2

No outputs

Bus Interface

PCIe 3.0 x16

PCIe 2.0 x16

Other

Launch Price

329 USD

3,199 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 700

Tesla Fermi

Successor

GeForce 10

Tesla Maxwell

View GeForce GTX 970 Details View Tesla K20m Details