Home GPU Comparison AMD Radeon 550X 640SP vs NVIDIA GeForce GTX 750

AMD Radeon 550X 640SP vs NVIDIA GeForce GTX 750

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 1024MB VRAM GeForce GTX 750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages
Released 4 years and 2 months late
More VRAM (4GB vs 1024GB)
128 additional rendering cores
Lower TDP (50W vs 55W)
NVIDIA GeForce GTX 750 's Advantages
Boost Clock has increased by 1% (1085MHz vs 1071MHz)
Larger VRAM bandwidth (80.19GB/s vs 48.00GB/s)

Score

Benchmark

FP32 (float)
Radeon 550X 640SP +23%
1.371 TFLOPS
GeForce GTX 750
1.111 TFLOPS
VS

Graphics Card

Apr 2018
Release Date
Feb 2014
Polaris
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

1019 MHz
Base Clock
1020 MHz
1071 MHz
Boost Clock
1085 MHz
1500 MHz
Memory Clock
1253 MHz

Memory

4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
48.00GB/s
Bandwidth
80.19GB/s

Render Config

10
Compute Units
-
-
-
-
640
Shading Units
512
40
TMUs
32
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
256 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

17.14 GPixel/s
Pixel Rate
17.36 GPixel/s
42.84 GTexel/s
Texture Rate
34.72 GTexel/s
1371 GFLOPS
FP16 (half)
-
1371 GFLOPS
FP32 (float)
1111 GFLOPS
85.68 GFLOPS
FP64 (double)
34.72 GFLOPS

Board Design

50W
TDP
55W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
2x DVI 1x mini-HDMI 2.0
None
Power Connectors
None

Graphics Processor

Lexa
GPU Name
GM107
Lexa PRO (215-0904018)
GPU Variant
GM107-300-A2
GCN 4.0
Architecture
Maxwell
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
2.2 billion
Transistors
1.87 billion
103 mm²
Die Size
148 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.0
6.4
Shader Model
5.1

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