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GPU Comparison
ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GTX 490
ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GTX 490
VS
ATI Radeon HD 4870 Mac Edition
NVIDIA GeForce GTX 490
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4870 Mac Edition 's Advantages
320 additional rendering cores
Lower TDP (150W vs 365W)
NVIDIA GeForce GTX 490 's Advantages
More VRAM (1536GB vs 512GB)
Larger VRAM bandwidth (164.0GB/s vs 108.8GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 4870 Mac Edition
+2%
1.2 TFLOPS
GeForce GTX 490
1.166 TFLOPS
Radeon HD 4870 Mac Edition
VS
GeForce GTX 490
Graphics Card
Jan 2009
Release Date
Unknown
Radeon R700
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
850 MHz
Memory Clock
854 MHz
Memory
512MB
Memory Size
1536MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
108.8GB/s
Bandwidth
164.0GB/s
Render Config
-
SM Count
15
10
Compute Units
-
800
Shading Units
480
40
TMUs
60
16
ROPs
48
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
768 KB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
18.24 GPixel/s
30.00 GTexel/s
Texture Rate
36.48 GTexel/s
-
FP16 (half)
-
1200 GFLOPS
FP32 (float)
1166 GFLOPS
240.0 GFLOPS
FP64 (double)
145.8 GFLOPS
Graphics Processor
RV770
GPU Name
GF100
RV770 XT Mac (215-0669080)
GPU Variant
GF100-375-A3
TeraScale
Architecture
Fermi
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
3.1 billion
256 mm²
Die Size
529 mm²
Board Design
150W
TDP
365W
450 W
Suggested PSU
750 W
1x DVI 1x mini-DisplayPort 1.0
Outputs
3x DVI 1x mini-DisplayPort
2x 6-pin
Power Connectors
2x 8-pin
Graphics Features
10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.0
4.1
Shader Model
5.1
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