Home GPU Comparison AMD Radeon R5 340 OEM vs AMD Radeon RX 550X 640SP

AMD Radeon R5 340 OEM vs AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 340 OEM and 2GB VRAM Radeon RX 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 640SP 's Advantages
Released 2 years and 11 months late
Boost Clock has increased by 37% (1071MHz vs 780MHz)
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 36.80GB/s)
256 additional rendering cores
Lower TDP (60W vs 65W)

Score

Benchmark

FP32 (float)
Radeon R5 340 OEM
0.599 TFLOPS
Radeon RX 550X 640SP +128%
1.371 TFLOPS
VS

Graphics Card

May 2015
Release Date
Apr 2018
Pirate Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

730 MHz
Base Clock
1019 MHz
780 MHz
Boost Clock
1071 MHz
1150 MHz
Memory Clock
1500 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
36.80GB/s
Bandwidth
96.00GB/s

Render Config

6
Compute Units
10
-
-
-
384
Shading Units
640
24
TMUs
40
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

6.240 GPixel/s
Pixel Rate
17.14 GPixel/s
18.72 GTexel/s
Texture Rate
42.84 GTexel/s
-
FP16 (half)
1371 GFLOPS
599.0 GFLOPS
FP32 (float)
1371 GFLOPS
37.44 GFLOPS
FP64 (double)
85.68 GFLOPS

Board Design

65W
TDP
60W
250 W
Suggested PSU
250 W
1x DVI 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
None
Power Connectors
None

Graphics Processor

Oland
GPU Name
Baffin
Oland PRO (215-0837015)
GPU Variant
Baffin LE
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
0.95 billion
Transistors
3 billion
77 mm²
Die Size
123 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.4

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