Home GPU Comparison ATI Radeon HD 4650 vs AMD Radeon R9 390 X2

ATI Radeon HD 4650 vs AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 4650 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4650 's Advantages
Lower TDP (48W vs 580W)
AMD Radeon R9 390 X2 's Advantages
Released 7 years late
Larger VRAM bandwidth (345.6GB/s vs 22.40GB/s)
2240 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 4650
0.384 TFLOPS
Radeon R9 390 X2 +1233%
5.12 TFLOPS
VS

Graphics Card

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

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
700 MHz
Memory Clock
1350 MHz

Memory

256MB
Memory Size
8GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
512bit
22.40GB/s
Bandwidth
345.6GB/s

Render Config

-
SM Count
-
4
Compute Units
40
320
Shading Units
2560
32
TMUs
160
8
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
1024 KB

Theoretical Performance

4.800 GPixel/s
Pixel Rate
64.00 GPixel/s
19.20 GTexel/s
Texture Rate
160.0 GTexel/s
-
FP16 (half)
-
384.0 GFLOPS
FP32 (float)
5.120 TFLOPS
-
FP64 (double)
640.0 GFLOPS

Graphics Processor

RV730
GPU Name
Grenada
RV730 PRO (215-0719056)
GPU Variant
Grenada PRO (215-0880030)
TeraScale
Architecture
GCN 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.514 billion
Transistors
6.2 billion
146 mm²
Die Size
438 mm²

Board Design

48W
TDP
580W
200 W
Suggested PSU
950 W
2x DVI 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
-
Power Connectors
4x 8-pin

Graphics Features

10.1 (10_1)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
-
CUDA
-
4.1
Shader Model
6.3

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