Home GPU Comparison ATI Radeon HD 3450 AGP vs ATI Radeon HD 4870 Mac Edition

ATI Radeon HD 3450 AGP vs ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3450 AGP and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3450 AGP 's Advantages
Lower TDP (25W vs 150W)
ATI Radeon HD 4870 Mac Edition 's Advantages
Released 1 years late
Larger VRAM bandwidth (108.8GB/s vs 8.000GB/s)
760 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 3450 AGP
0.048 TFLOPS
Radeon HD 4870 Mac Edition +2400%
1.2 TFLOPS
VS

Graphics Card

Jan 2008
Release Date
Jan 2009
Radeon R600
Generation
Radeon R700
Desktop
Type
Desktop
AGP 8x
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
500 MHz
Memory Clock
850 MHz

Memory

512MB
Memory Size
512MB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
256bit
8.000GB/s
Bandwidth
108.8GB/s

Render Config

-
SM Count
-
2
Compute Units
10
40
Shading Units
800
4
TMUs
40
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
256 KB

Theoretical Performance

2.400 GPixel/s
Pixel Rate
12.00 GPixel/s
2.400 GTexel/s
Texture Rate
30.00 GTexel/s
-
FP16 (half)
-
48.00 GFLOPS
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS

Graphics Processor

RV620
GPU Name
RV770
RV620 LE
GPU Variant
RV770 XT Mac (215-0669080)
TeraScale
Architecture
TeraScale
TSMC
Foundry
TSMC
55 nm
Process Size
55 nm
0.181 billion
Transistors
0.956 billion
67 mm²
Die Size
256 mm²

Board Design

25W
TDP
150W
200 W
Suggested PSU
450 W
2x DVI
Outputs
1x DVI 1x mini-DisplayPort 1.0
1x Molex
Power Connectors
2x 6-pin

Graphics Features

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

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