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GPU Comparison
AMD Radeon RX 455 OEM vs ATI Radeon HD 4770
AMD Radeon RX 455 OEM vs ATI Radeon HD 4770
VS
AMD Radeon RX 455 OEM
ATI Radeon HD 4770
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 455 OEM 's Advantages
Released 7 years and 2 months late
Larger VRAM bandwidth (104.0GB/s vs 51.20GB/s)
128 additional rendering cores
ATI Radeon HD 4770 's Advantages
Lower TDP (80W vs 100W)
Score
Benchmark
FP32 (float)
Radeon RX 455 OEM
+68%
1.613 TFLOPS
Radeon HD 4770
0.96 TFLOPS
Radeon RX 455 OEM
VS
Radeon HD 4770
Graphics Card
Jun 2016
Release Date
Apr 2009
Arctic Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1625 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
104.0GB/s
Bandwidth
51.20GB/s
Render Config
-
SM Count
-
12
Compute Units
8
768
Shading Units
640
48
TMUs
32
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
Theoretical Performance
16.80 GPixel/s
Pixel Rate
12.00 GPixel/s
50.40 GTexel/s
Texture Rate
24.00 GTexel/s
-
FP16 (half)
-
1.613 TFLOPS
FP32 (float)
960.0 GFLOPS
100.8 GFLOPS
FP64 (double)
192.0 GFLOPS
Graphics Processor
Tobago
GPU Name
RV740
Tobago PRO (215-0875010)
GPU Variant
RV740 XT (215-0727019)
GCN 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.08 billion
Transistors
0.826 billion
160 mm²
Die Size
137 mm²
Board Design
100W
TDP
80W
300 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
1x 6-pin
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
-
CUDA
-
6.3
Shader Model
4.1
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