AMD Radeon Pro 455 vs ATI Mobility Radeon HD 4870

VS

AMD Radeon Pro 455

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 455 's Advantages

Released 7 years and 9 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (81.28GB/s vs 56.83GB/s)

ATI Mobility Radeon HD 4870 's Advantages

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 455 +49%

1.313 TFLOPS

Mobility Radeon HD 4870

0.88 TFLOPS

Radeon Pro 455

VS

Mobility Radeon HD 4870

Graphics Card

Oct 2016

Release Date

Jan 2009

Radeon Pro Mac

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1270 MHz

Memory Clock

888 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

81.28GB/s

Bandwidth

56.83GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

800

48

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

13.68 GPixel/s

Pixel Rate

8.800 GPixel/s

41.04 GTexel/s

Texture Rate

22.00 GTexel/s

1313 GFLOPS

FP16 (half)

-

1313 GFLOPS

FP32 (float)

880.0 GFLOPS

82.08 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Baffin

GPU Name

M98

Baffin PRO

GPU Variant

M98 XT L2 (216-0732023)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

3 billion

Transistors

0.956 billion

123 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon Pro 455 vs AMD Radeon RX 6600S

2

AMD Radeon Pro 455 vs AMD Radeon R7 M465X

3

AMD Radeon Pro 455 vs AMD Radeon HD 8850M

4

AMD Radeon Pro 455 vs NVIDIA GeForce RTX 3050 Max-Q Refresh

5

AMD Radeon Pro 455 vs ATI Mobility Radeon HD 3850 X2

6

AMD Radeon Pro 455 vs NVIDIA GeForce GTX 560M

7

AMD Radeon Pro 455 vs AMD Radeon R9 M290X Mac Edition

8

AMD Radeon Pro 455 vs NVIDIA GeForce 820A

9

AMD Radeon Pro 455 vs NVIDIA GeForce Go 6800 Ultra

10

AMD Radeon Pro 455 vs AMD FirePro W4170M

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps