Home GPU Comparison ATI Radeon HD 4670 X2 vs NVIDIA GeForce 8400

ATI Radeon HD 4670 X2 vs NVIDIA GeForce 8400

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 X2 and 256MB VRAM GeForce 8400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 X2 's Advantages
Released 9 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (22.40GB/s vs 8.000GB/s)
312 additional rendering cores
NVIDIA GeForce 8400 's Advantages
Lower TDP (25W vs 118W)

Score

Benchmark

FP32 (float)
Radeon HD 4670 X2 +2185%
0.48 TFLOPS
GeForce 8400
0.021 TFLOPS
VS

Graphics Card

Sep 2008
Release Date
Dec 2007
Radeon R700
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
700 MHz
Memory Clock
500 MHz

Memory

512MB
Memory Size
256MB
GDDR3
Memory Type
DDR2
128bit
Memory Bus
64bit
22.40GB/s
Bandwidth
8.000GB/s

Render Config

-
SM Count
1
4
Compute Units
-
320
Shading Units
8
32
TMUs
4
8
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
128 KB
L2 Cache
16 KB

Theoretical Performance

6.000 GPixel/s
Pixel Rate
2.160 GPixel/s
24.00 GTexel/s
Texture Rate
2.160 GTexel/s
-
FP16 (half)
-
480.0 GFLOPS
FP32 (float)
20.80 GFLOPS
-
FP64 (double)
-

Graphics Processor

RV730
GPU Name
G98
RV730 XT (215-0719047)
GPU Variant
-
TeraScale
Architecture
Tesla
TSMC
Foundry
TSMC
55 nm
Process Size
65 nm
0.514 billion
Transistors
0.21 billion
146 mm²
Die Size
86 mm²

Board Design

118W
TDP
25W
300 W
Suggested PSU
200 W
4x DVI
Outputs
1x DVI 1x VGA 1x S-Video
1x 6-pin
Power Connectors
None

Graphics Features

10.1 (10_1)
DirectX
11.1 (10_0)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
4.1
Shader Model
4.0

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