GPU Comparison

NVIDIA

GEFORCE

NVIDIA GeForce 840M

CORE STATE GM108S

VRAM 2 GB

CLOCK SPEED 1124 MHz

TDP 33 W

BUS WIDTH 64 bit

ARCHITECTURE Maxwell

nm

PROCESS 28 nm

LAUNCH DATE 2014

VS

NVIDIA

GEFORCE

GeForce GTX 1070

CORE STATE GP104

VRAM 8 GB

CLOCK SPEED 1683 MHz

TDP 150 W

BUS WIDTH 256 bit

ARCHITECTURE Pascal

nm

PROCESS 16 nm

LAUNCH DATE 2016

PERFORMANCE BENCHMARKS

geekbench_opencl

5,764

47,490

geekbench_vulkan

4,636

47,395

3dmark_3dmark_steel_nomad_dx12

N/A

1,082

geekbench_metal

N/A

18,801

passmark_directx_10

N/A

82

passmark_directx_11

N/A

100

passmark_directx_12

N/A

48

passmark_directx_9

N/A

197

passmark_g2d

N/A

846

passmark_g3d

N/A

13,498

passmark_gpu_compute

N/A

6,102

DETAILED SPECIFICATIONS

SPECIFICATION

840M

GTX 1070

Core Specs

Shading Units

384

1,920 +400.0%

Shaders

384

1,920 +400.0%

TMUs

16

120 +650.0%

ROPs

8

64 +700.0%

SM Count

—

15

Clocks

Base Clock

1029 MHz

1506 MHz

Boost Clock

1124 MHz

1683 MHz

Memory Clock

1001 MHz 2 Gbps effective

2002 MHz 8 Gbps effective

Memory

Memory Size

2 GB

8 GB

VRAM (MB)

2,048

8,192 +300.0%

Memory Type

DDR3

GDDR5

Memory Bus

64 bit

256 bit

Bandwidth

16.02 GB/s

256.3 GB/s

Cache

L1 Cache

64 KB (per SMM)

48 KB (per SM)

L2 Cache

1024 KB

2 MB

Performance

Pixel Rate

8.992 GPixel/s

107.7 GPixel/s

Texture Rate

17.98 GTexel/s

202.0 GTexel/s

FP32 (TFLOPS)

863.2 GFLOPS

6.463 TFLOPS

FP64 (TFLOPS)

26.98 GFLOPS (1:32)

202.0 GFLOPS (1:32)

FP16 (TFLOPS)

—

101.0 GFLOPS (1:64)

Power

TDP

33 W

150 W

TDP (W)

33

150 +354.5%

Suggested PSU

—

450 W

Power Connectors

None

1x 8-pin

Architecture

Architecture

Maxwell

Pascal

GPU Name

GM108S

GP104

Generation

GeForce 800M

GeForce 10

Process Size

28 nm

16 nm

Transistors

1,020 million

7,200 million

Die Size

77 mm²

314 mm²

Foundry

TSMC

TSMC

Density

13.2M / mm²

22.9M / mm²

API Support

DirectX

12 (11_0)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

3.0

3.0

CUDA

5.0

6.1

Shader Model

6.7 (5.1)

6.8

Physical

Slot Width

IGP

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

112 mm 4.4 inches

Outputs

Portable Device Dependent

1x DVI1x HDMI 2.03x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x8

PCIe 3.0 x16

Other

Launch Price

—

379 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 700M

GeForce 900

Successor

GeForce 900M

GeForce 20

View GeForce 840M Details View GeForce GTX 1070 Details