Radeon R9 295X2 vs Radeon HD 8670 OEM
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 2GB VRAM Radeon HD 8670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 295X2 's Advantages
Released 1 years and 3 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (320.0GB/s vs 73.60GB/s)
2432 additional rendering cores
Radeon HD 8670 OEM 's Advantages
Boost Clock1050MHz
Lower TDP (75W vs 500W)
Score
Benchmark
FP32 (float)
Radeon R9 295X2
+611%
5733
Radeon HD 8670 OEM
806
Graphics Card
Apr 2014
Release Date
Jan 2013
Volcanic Islands
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1050 MHz
1250 MHz
Memory Clock
1150 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
128bit
320.0GB/s
Bandwidth
73.60GB/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
256 KB
Theoretical Performance
65.15 GPixel/s
Pixel Rate
8.400 GPixel/s
179.2 GTexel/s
Texture Rate
25.20 GTexel/s
5.733 TFLOPS
FP32 (float)
806.4 GFLOPS
716.7 GFLOPS
FP64 (double)
50.40 GFLOPS
Board Design
500W
TDP
75W
900 W
Suggested PSU
250 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
2x 8-pin
Power Connectors
None
Graphics Processor
Vesuvius
GPU Name
Oland
Vesuvius XT
(215-0852022)
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
