Radeon R9 295X2 vs Radeon HD 4770
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 295X2 's Advantages
Released 5 years late
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (320.0GB/s vs 51.20GB/s)
2176 additional rendering cores
Radeon HD 4770 's Advantages
Lower TDP (80W vs 500W)
Score
Benchmark
FP32 (float)
Radeon R9 295X2
+497%
5733
Radeon HD 4770
960
Graphics Card
Apr 2014
Release Date
Apr 2009
Volcanic Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1250 MHz
Memory Clock
800 MHz
Memory
4GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
128bit
320.0GB/s
Bandwidth
51.20GB/s
Render Config
44
Compute Units
8
2816
Shading Units
640
176
TMUs
32
64
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
128 KB
Theoretical Performance
65.15 GPixel/s
Pixel Rate
12.00 GPixel/s
179.2 GTexel/s
Texture Rate
24.00 GTexel/s
5.733 TFLOPS
FP32 (float)
960.0 GFLOPS
716.7 GFLOPS
FP64 (double)
192.0 GFLOPS
Board Design
500W
TDP
80W
900 W
Suggested PSU
250 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
2x DVI
1x S-Video
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Vesuvius
GPU Name
RV740
Vesuvius XT
(215-0852022)
GPU Variant
RV740 XT
(215-0727019)
GCN 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
6.2 billion
Transistors
0.826 billion
438 mm²
Die Size
137 mm²
Graphics Features
12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.0
OpenCL
1.1
1.2
Vulkan
N/A
6.3
Shader Model
4.1
