GPU Comparison

A

AMD

RADEON

AMD Radeon RX 550

CORE STATE Lexa

VRAM 2 GB

CLOCK SPEED 1183 MHz

TDP 50 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

VS

NVIDIA

GEFORCE

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

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

127

369

geekbench_metal

19,937

13,595

geekbench_opencl

4,575

28,528

geekbench_vulkan

8,657

31,001

passmark_directx_10

N/A

46

passmark_directx_11

N/A

71

passmark_directx_12

N/A

41

passmark_directx_9

N/A

143

passmark_g2d

N/A

764

passmark_g3d

N/A

9,638

passmark_gpu_compute

N/A

4,073

DETAILED SPECIFICATIONS

SPECIFICATION

RX 550

GTX 970

Core Specs

Shading Units

512

1,664 +225.0%

Shaders

512

1,664 +225.0%

TMUs

32

104 +225.0%

ROPs

16

56 +250.0%

Compute Units

8

—

Clocks

Base Clock

1100 MHz

1050 MHz

Boost Clock

1183 MHz

1178 MHz

Memory Clock

1750 MHz 7 Gbps effective

1753 MHz 7 Gbps effective

Memory

Memory Size

2 GB

4 GB

VRAM (MB)

2,048

4,096 +100.0%

Memory Type

GDDR5

GDDR5

Memory Bus

128 bit

256 bit

Bandwidth

112.0 GB/s

224.4 GB/s

Cache

L1 Cache

16 KB (per CU)

48 KB (per SMM)

L2 Cache

512 KB

2 MB

Performance

Pixel Rate

18.93 GPixel/s

65.97 GPixel/s

Texture Rate

37.86 GTexel/s

122.5 GTexel/s

FP32 (TFLOPS)

1,211.4 GFLOPS

3.920 TFLOPS

FP64 (TFLOPS)

75.71 GFLOPS (1:16)

122.5 GFLOPS (1:32)

FP16 (TFLOPS)

1,211.4 GFLOPS (1:1)

—

Power

TDP

50 W

148 W

TDP (W)

50

148 +196.0%

Suggested PSU

250 W

300 W

Power Connectors

None

2x 6-pin

Architecture

Architecture

GCN 4.0

Maxwell 2.0

GPU Name

Lexa

GM204

Generation

Polaris (RX 500)

GeForce 900

Process Size

14 nm

28 nm

Transistors

2,200 million

5,200 million

Die Size

103 mm²

398 mm²

Foundry

GlobalFoundries

TSMC

Density

21.4M / mm²

13.1M / mm²

API Support

DirectX

12 (12_0)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

3.0

CUDA

—

5.2

Shader Model

6.7

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

145 mm 5.7 inches

267 mm 10.5 inches

Height

—

111 mm 4.4 inches

Outputs

1x DVI1x HDMI 2.0b1x DisplayPort 1.4a

1x DVI1x HDMI 2.03x DisplayPort 1.2

Bus Interface

PCIe 3.0 x8

PCIe 3.0 x16

Other

Launch Price

79 USD

329 USD

Production

End-of-life

End-of-life

Predecessor

Arctic Islands

GeForce 700

Successor

Vega

GeForce 10

View Radeon RX 550 Details View GeForce GTX 970 Details