GPU Comparison

NVIDIA

GEFORCE

NVIDIA GeForce GTX 980

CORE STATE GM204

VRAM 4 GB

CLOCK SPEED 1216 MHz

TDP 165 W

BUS WIDTH 256 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 28 nm

LAUNCH DATE 2014

VS

NVIDIA

GEFORCE

Tesla K40m

CORE STATE GK110B

VRAM 12 GB

CLOCK SPEED 876 MHz

TDP 245 W

BUS WIDTH 384 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2013

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

474

N/A

geekbench_metal

15,163

N/A

geekbench_opencl

33,457

19,519

geekbench_vulkan

38,172

N/A

passmark_directx_10

53

N/A

passmark_directx_11

83

N/A

passmark_directx_12

46

N/A

passmark_directx_9

164

N/A

passmark_g2d

792

N/A

passmark_g3d

11,095

N/A

passmark_gpu_compute

4,753

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

GTX 980

Tesla K40m

Core Specs

Shading Units

2,048

2,880 +40.6%

Shaders

2,048

2,880 +40.6%

TMUs

128

240 +87.5%

ROPs

64

48 -25.0%

Clocks

Base Clock

1127 MHz

745 MHz

Boost Clock

1216 MHz

876 MHz

Memory Clock

1753 MHz 7 Gbps effective

1502 MHz 6 Gbps effective

Memory

Memory Size

4 GB

12 GB

VRAM (MB)

4,096

12,288 +200.0%

Memory Type

GDDR5

GDDR5

Memory Bus

256 bit

384 bit

Bandwidth

224.4 GB/s

288.4 GB/s

Cache

L1 Cache

48 KB (per SMM)

16 KB (per SMX)

L2 Cache

2 MB

1536 KB

Performance

Pixel Rate

77.82 GPixel/s

52.56 GPixel/s

Texture Rate

155.6 GTexel/s

210.2 GTexel/s

FP32 (TFLOPS)

4.981 TFLOPS

5.046 TFLOPS

FP64 (TFLOPS)

155.6 GFLOPS (1:32)

1.682 TFLOPS (1:3)

Power

TDP

165 W

245 W

TDP (W)

165

245 +48.5%

Suggested PSU

450 W

550 W

Power Connectors

2x 6-pin

—

Architecture

Architecture

Maxwell 2.0

Kepler

GPU Name

GM204

GK110B

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_1)

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 3.0 x16

Other

Launch Price

549 USD

7,699 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 700

Tesla Fermi

Successor

GeForce 10

Tesla Maxwell

View GeForce GTX 980 Details View Tesla K40m Details