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 RTX 3090

CORE STATE GA102

VRAM 24 GB

CLOCK SPEED 1695 MHz

TDP 350 W

BUS WIDTH 384 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_opencl

5,764

191,142

geekbench_vulkan

4,636

174,310

3dmark_3dmark_steel_nomad_dx12

N/A

5,118

passmark_directx_10

N/A

182

passmark_directx_11

N/A

220

passmark_directx_12

N/A

110

passmark_directx_9

N/A

268

passmark_g2d

N/A

1,063

passmark_g3d

N/A

26,645

passmark_gpu_compute

N/A

15,356

DETAILED SPECIFICATIONS

SPECIFICATION

840M

RTX 3090

Core Specs

Shading Units

384

10,496 +2633.3%

Shaders

384

10,496 +2633.3%

TMUs

16

328 +1950.0%

ROPs

8

112 +1300.0%

SM Count

—

82

Clocks

Base Clock

1029 MHz

1395 MHz

Boost Clock

1124 MHz

1695 MHz

Memory Clock

1001 MHz 2 Gbps effective

1219 MHz 19.5 Gbps effective

Memory

Memory Size

2 GB

24 GB

VRAM (MB)

2,048

24,576 +1100.0%

Memory Type

DDR3

GDDR6X

Memory Bus

64 bit

384 bit

Bandwidth

16.02 GB/s

936.2 GB/s

Cache

L1 Cache

64 KB (per SMM)

128 KB (per SM)

L2 Cache

1024 KB

6 MB

Performance

Pixel Rate

8.992 GPixel/s

189.8 GPixel/s

Texture Rate

17.98 GTexel/s

556.0 GTexel/s

FP32 (TFLOPS)

863.2 GFLOPS

35.58 TFLOPS

FP64 (TFLOPS)

26.98 GFLOPS (1:32)

556.0 GFLOPS (1:64)

FP16 (TFLOPS)

—

35.58 TFLOPS (1:1)

AI/RT

RT Cores

—

82

Tensor Cores

—

328

Power

TDP

33 W

350 W

TDP (W)

33

350 +960.6%

Suggested PSU

—

750 W

Power Connectors

None

1x 12-pin

Architecture

Architecture

Maxwell

Ampere

GPU Name

GM108S

GA102

Generation

GeForce 800M

GeForce 30

Process Size

28 nm

8 nm

Transistors

1,020 million

28,300 million

Die Size

77 mm²

628 mm²

Foundry

TSMC

Samsung

Density

13.2M / mm²

45.1M / mm²

API Support

DirectX

12 (11_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

3.0

3.0

CUDA

5.0

8.6

Shader Model

6.7 (5.1)

6.8

Physical

Slot Width

IGP

Triple-slot

Length

—

336 mm 13.2 inches

Height

—

140 mm 5.5 inches

Outputs

Portable Device Dependent

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Launch Price

—

1,499 USD

Production

End-of-life

End-of-life

Predecessor

GeForce 700M

GeForce 20

Successor

GeForce 900M

GeForce 40

View GeForce 840M Details View GeForce RTX 3090 Details