Home GPU Comparison AMD Radeon R9 380X vs ATI Radeon HD 4850 X2

AMD Radeon R9 380X vs ATI Radeon HD 4850 X2

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380X 's Advantages
Released 7 years late
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (182.4GB/s vs 63.68GB/s)
1248 additional rendering cores
Lower TDP (190W vs 250W)

Score

Benchmark

FP32 (float)
Radeon R9 380X +297%
3.973 TFLOPS
Radeon HD 4850 X2
1 TFLOPS
VS

Graphics Card

Nov 2015
Release Date
Nov 2008
Pirate Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1425 MHz
Memory Clock
995 MHz

Memory

4GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
256bit
182.4GB/s
Bandwidth
63.68GB/s

Render Config

32
Compute Units
10
-
-
-
2048
Shading Units
800
128
TMUs
40
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

31.04 GPixel/s
Pixel Rate
10.00 GPixel/s
124.2 GTexel/s
Texture Rate
25.00 GTexel/s
3.973 TFLOPS
FP16 (half)
-
3.973 TFLOPS
FP32 (float)
1000 GFLOPS
248.3 GFLOPS
FP64 (double)
200.0 GFLOPS

Board Design

190W
TDP
250W
450 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
4x DVI 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Antigua
GPU Name
R700
Antigua XT (215-0877016)
GPU Variant
R700 PRO (215-0669065)
GCN 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
5 billion
Transistors
0.956 billion
366 mm²
Die Size
256 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

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