Home GPU Comparison AMD Radeon RX 455 OEM vs ATI Radeon HD 4860

AMD Radeon RX 455 OEM vs ATI Radeon HD 4860

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 512MB VRAM Radeon HD 4860 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 6 years and 9 months late
Larger VRAM bandwidth (104.0GB/s vs 96.00GB/s)
128 additional rendering cores
Lower TDP (100W vs 130W)

Score

Benchmark

FP32 (float)
Radeon RX 455 OEM +80%
1.613 TFLOPS
Radeon HD 4860
0.896 TFLOPS
VS

Graphics Card

Jun 2016
Release Date
Sep 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
750 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
104.0GB/s
Bandwidth
96.00GB/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
256 KB

Theoretical Performance

16.80 GPixel/s
Pixel Rate
11.20 GPixel/s
50.40 GTexel/s
Texture Rate
22.40 GTexel/s
-
FP16 (half)
-
1.613 TFLOPS
FP32 (float)
896.0 GFLOPS
100.8 GFLOPS
FP64 (double)
179.2 GFLOPS

Graphics Processor

Tobago
GPU Name
RV790
Tobago PRO (215-0875010)
GPU Variant
RV790 GT
GCN 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.08 billion
Transistors
0.959 billion
160 mm²
Die Size
282 mm²

Board Design

100W
TDP
130W
300 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
2x 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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