Home GPU Comparison AMD Radeon R9 270 1024SP vs AMD Radeon R5 340 OEM

AMD Radeon R9 270 1024SP vs AMD Radeon R5 340 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 1024MB VRAM Radeon R5 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages
Boost Clock has increased by 19% (925MHz vs 780MHz)
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 36.80GB/s)
640 additional rendering cores
AMD Radeon R5 340 OEM 's Advantages
Lower TDP (65W vs 150W)

Score

Benchmark

FP32 (float)
Radeon R9 270 1024SP +216%
1.894 TFLOPS
Radeon R5 340 OEM
0.599 TFLOPS
VS

Graphics Card

Mar 2015
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
730 MHz
925 MHz
Boost Clock
780 MHz
1200 MHz
Memory Clock
1150 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
153.6GB/s
Bandwidth
36.80GB/s

Render Config

-
SM Count
-
16
Compute Units
6
1024
Shading Units
384
64
TMUs
24
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB

Theoretical Performance

29.60 GPixel/s
Pixel Rate
6.240 GPixel/s
59.20 GTexel/s
Texture Rate
18.72 GTexel/s
-
FP16 (half)
-
1.894 TFLOPS
FP32 (float)
599.0 GFLOPS
118.4 GFLOPS
FP64 (double)
37.44 GFLOPS

Graphics Processor

Pitcairn
GPU Name
Oland
Pitcairn PRO (215-0828062)
GPU Variant
Oland PRO (215-0837015)
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

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 Features

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

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