Home GPU Comparison AMD Radeon RX 550 640SP vs AMD Radeon RX 7950 XTX

AMD Radeon RX 550 640SP vs AMD Radeon RX 7950 XTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 24GB VRAM Radeon RX 7950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages
Lower TDP (60W vs 355W)
AMD Radeon RX 7950 XTX 's Advantages
Boost Clock has increased by 208% (3300MHz vs 1071MHz)
More VRAM (24GB vs 2GB)
Larger VRAM bandwidth (960.0GB/s vs 96.00GB/s)
5504 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 550 640SP
1.371 TFLOPS
Radeon RX 7950 XTX +5815%
81.1 TFLOPS
VS

Graphics Card

Oct 2017
Release Date
Unknown
Polaris
Generation
Navi III
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16

Clock Speeds

1019 MHz
Base Clock
2200 MHz
1071 MHz
Boost Clock
3300 MHz
1500 MHz
Memory Clock
2500 MHz

Memory

2GB
Memory Size
24GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
384bit
96.00GB/s
Bandwidth
960.0GB/s

Render Config

10
Compute Units
96
-
-
-
640
Shading Units
6144
40
TMUs
384
16
ROPs
192
-
-
-
-
RT Cores
96
16 KB (per CU)
L1 Cache
256 KB per Array
1024 KB
L2 Cache
6 MB
-
L3 Cache
96 MB

Theoretical Performance

17.14 GPixel/s
Pixel Rate
633.6 GPixel/s
42.84 GTexel/s
Texture Rate
1267 GTexel/s
1371 GFLOPS
FP16 (half)
162.2 TFLOPS
1371 GFLOPS
FP32 (float)
81.10 TFLOPS
85.68 GFLOPS
FP64 (double)
2.534 TFLOPS

Board Design

60W
TDP
355W
250 W
Suggested PSU
750 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
None
Power Connectors
2x 8-pin

Graphics Processor

Baffin
GPU Name
Navi 31
Baffin LE
GPU Variant
Navi 31 XTX+
GCN 4.0
Architecture
RDNA 3.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
5 nm
3 billion
Transistors
57.7 billion
123 mm²
Die Size
529 mm²

Graphics Features

12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.2
1.2
Vulkan
1.3
-
-
-
6.4
Shader Model
6.7

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