Home GPU Comparison AMD Radeon RX 550 640SP vs AMD Radeon HD 8470 OEM

AMD Radeon RX 550 640SP vs AMD Radeon HD 8470 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 1024MB VRAM Radeon HD 8470 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages
Released 4 years and 9 months late
Boost Clock1071MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)
480 additional rendering cores
AMD Radeon HD 8470 OEM 's Advantages
Lower TDP (35W vs 60W)

Score

Benchmark

FP32 (float)
Radeon RX 550 640SP +452%
1.371 TFLOPS
Radeon HD 8470 OEM
0.248 TFLOPS
VS

Graphics Card

Oct 2017
Release Date
Jan 2013
Polaris
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

1019 MHz
Base Clock
-
1071 MHz
Boost Clock
-
1500 MHz
Memory Clock
800 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
96.00GB/s
Bandwidth
25.60GB/s

Render Config

10
Compute Units
2
-
-
-
640
Shading Units
160
40
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

17.14 GPixel/s
Pixel Rate
3.100 GPixel/s
42.84 GTexel/s
Texture Rate
6.200 GTexel/s
1371 GFLOPS
FP16 (half)
-
1371 GFLOPS
FP32 (float)
248.0 GFLOPS
85.68 GFLOPS
FP64 (double)
-

Board Design

60W
TDP
35W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.3a
None
Power Connectors
None

Graphics Processor

Baffin
GPU Name
Caicos
Baffin LE
GPU Variant
Caicos XT (215-0804070)
GCN 4.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
3 billion
Transistors
0.37 billion
123 mm²
Die Size
67 mm²

Graphics Features

12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
6.4
Shader Model
5.0

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