AMD Radeon R9 290X vs AMD Radeon R5 340X OEM
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X 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 290X 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (320.0GB/s vs 16.00GB/s)
2432 additional rendering cores
AMD Radeon R5 340X OEM 's Advantages
Released 1 years and 7 months late
Lower TDP (65W vs 290W)
Score
Benchmark
FP32 (float)
Radeon R9 290X
+715%
5.632 TFLOPS
Radeon R5 340X OEM
0.691 TFLOPS
Graphics Card
Oct 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
-
-
-
-
-
-
1250 MHz
Memory Clock
1000 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
512bit
Memory Bus
64bit
320.0GB/s
Bandwidth
16.00GB/s
Render Config
44
Compute Units
6
-
-
-
2816
Shading Units
384
176
TMUs
24
64
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
64.00 GPixel/s
Pixel Rate
7.200 GPixel/s
176.0 GTexel/s
Texture Rate
21.60 GTexel/s
-
-
-
5.632 TFLOPS
FP32 (float)
691.2 GFLOPS
704.0 GFLOPS
FP64 (double)
43.20 GFLOPS
Board Design
290W
TDP
65W
600 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 + 1x 8-pin
Power Connectors
None
Graphics Processor
Hawaii
GPU Name
Oland
Hawaii XT
(215-0852000)
GPU Variant
Oland XT
(215-0837000)
GCN 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
6.2 billion
Transistors
0.95 billion
438 mm²
Die Size
77 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.3
Shader Model
5.1
