Home GPU Comparison AMD Radeon R9 270 vs AMD Radeon R5 340X OEM

AMD Radeon R9 270 vs AMD Radeon R5 340X OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 2GB VRAM Radeon R5 340X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages
Boost Clock925MHz
Larger VRAM bandwidth (179.2GB/s vs 16.00GB/s)
896 additional rendering cores
AMD Radeon R5 340X OEM 's Advantages
Released 1 years and 6 months late
Lower TDP (65W vs 150W)

Score

Benchmark

FP32 (float)
Radeon R9 270 +242%
2.368 TFLOPS
Radeon R5 340X OEM
0.691 TFLOPS
VS

Graphics Card

Nov 2013
Release Date
May 2015
Volcanic Islands
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

900 MHz
Base Clock
-
925 MHz
Boost Clock
-
1400 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
179.2GB/s
Bandwidth
16.00GB/s

Render Config

20
Compute Units
6
-
-
-
1280
Shading Units
384
80
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

29.60 GPixel/s
Pixel Rate
7.200 GPixel/s
74.00 GTexel/s
Texture Rate
21.60 GTexel/s
-
-
-
2.368 TFLOPS
FP32 (float)
691.2 GFLOPS
148.0 GFLOPS
FP64 (double)
43.20 GFLOPS

Board Design

150W
TDP
65W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x DisplayPort 1.2
1x 6-pin
Power Connectors
None

Graphics Processor

Curacao
GPU Name
Oland
Curacao PRO (215-0848000)
GPU Variant
Oland XT (215-0837000)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
0.95 billion
212 mm²
Die Size
77 mm²

Graphics Features

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

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